Williams, Roberta G. Echocardiographic diagnosis of cardiac malformations / Roberta G. Williams, Fredrick Z. Bierman, Stephen P. Sanders. - 1st ed. - Boston : Little, Brown, c1986. - xi, 237 p. : ill. Includes bibliographies and index. ISBN: 0316941328 9780316941327 Subjects--Topical Terms: Heart Defects, CongenitalChildEchocardiography National Library of Medicine Call No.: WS 290 / .W55 1986